Update and rename test/Dockerfile to c.i

Signed-off-by: mowjoejoejoejoe <124041561+mowjoejoejoejoe@users.noreply.github.com>

c.i

@@ -0,0 +1,8 @@
+#!/usr/bin/.sh env
+ci :C:\i :
+LTE
+BEGIN
+GLOW4
+'Run'@ci/CI :
+FROM alpine
+RUN echo "Hello world!"

test/Dockerfile

@@ -1,3 +0,0 @@
-# syntax=docker/dockerfile:1
-FROM alpine
-RUN echo "Hello world!"